Finding the Third Proportional to 212,810,361 and 299,553,291
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Solution
The third proportional to 212,810,361 and 299,553,291 is: 421,653,220.86
Step by Step Solution
- Step 1: Write the proportion equation
212,810,361 : 299,553,291 = 299,553,291 : x - Step 2: Convert to fraction form
212,810,361/299,553,291 = 299,553,291/x - Step 3: Cross multiply
212,810,361x = 299,553,291 × 299,553,291 - Step 4: Simplify right side
212,810,361x = 89,732,174,148,930,688 - Step 5: Solve for x
x = 89,732,174,148,930,688/212,810,361 - Step 6: Final answer
x = 421,653,220.86
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.